for difficulty in middle
do
    for dropout in 0.1 0.3 0.5 0.6 0.7 0.8
    do
        python train.py \
            --emsize 500 --nhid 500 --tied --dropout ${dropout} \
            --cuda \
            --tvt_corpus ../data/${difficulty} \
            --model_dir models/${difficulty}/
    done
done